
UC3851N PMIC - AC DC Converters, Offline Switchers от Texas Instruments
UC3851N — это компонент категории PMIC - AC DC Converters, Offline Switchers от Texas Instruments в упаковке DIP. Его обычно проверяют для IC OFFLINE CTRLR PWM PROG 18DIP. На этой странице указаны текущие остатки TrustCompo, уровни цен, данные по корпусу, доступ к datasheet, compliance-атрибуты, варианты отгрузки со склада Hong Kong, подтверждение оплаты и RFQ-варианты для покупателей, которым нужно подтвердить именно этот ordering code.
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- Гарантия 365 днейПоддержка после покупки помогает закупщикам разбирать вопросы качества в понятный срок проверки.
- Отправка в течение 24-48 часовДоступные позиции могут быть быстро отправлены после подтверждения цены, количества и деталей доставки.
- 100% проверка на контрафактКомпоненты проходят проверку подлинности и инспекцию перед отгрузкой.
Ключевые характеристики
- Номер детали
UC3851N
- Внутренний код
TCE000074148
- Упаковка
DIP
- Производитель
- Texas Instruments
Ключевые характеристики
- Серия
-
- Минимальное количество
1
- Категория
- Integrated Circuits (ICs)
- Подкатегория
- PMIC - AC DC Converters, Offline Switchers
- Описание
IC OFFLINE CTRLR PWM PROG 18DIP
- Основные характеристики
-
Сигналы доверия
Качество и доверие
Проверьте credentials TrustCompo, поддержку traceability, anti-counterfeit handling и inspection controls перед отправкой RFQ.
ISO 9001
Процессы менеджмента качества для более стабильной закупки и обращения с продукцией.
AS9120B
Контроль дистрибуции авиационного уровня для прослеживаемости и надежности.
ISO 14001
Экологическая дисциплина в операционных и складских процессах.
ESD Control
Стандарты защиты от электростатического разряда для чувствительных компонентов.
RFQ checklist
Процесс заказа
Подтвердите ключевые данные закупки для UC3851N до RFQ, выпуска PO и планирования отгрузки.
- 1
Подтвердить MPN
Укажите точный part number, производителя, package и approval constraints в RFQ.
- 2
Проверить склад и цену
Проверьте live availability, MOQ, lead time, финальную цену и налоговые условия до PO.
- 3
Согласовать документы
Подтвердите datasheet, CoC, traceability, lifecycle notes и scope инспекции, если требуется.
- 4
Организовать отгрузку
Выпустите PO и согласуйте DHL, FedEx, UPS или buyer forwarder shipment из Hong Kong.
Перед выпуском PO
Проверка детали
- Точный MPN подтвержден: UC3851N
- Корпус для проверки: DIP
Коммерческие условия
- Live stock и срок поставки подтверждены через RFQ
- Финальная цена и налоговые условия подтверждены до выпуска PO
Отгрузка и документы
- Ship-from location: склад Hong Kong
- Способ доставки: DHL, FedEx, UPS или аккаунт экспедитора покупателя
Обзор продукта
Обзор
Проверьте sourcing context для UC3851N от Texas Instruments, включая идентификацию товара, применимость, package notes и закупочные детали.
Description:
The UC3846DW is a Texas Instruments integrated circuit (IC) DC DC switching controller. It is designed to provide a wide range of control functions for DC-DC converters. It is packaged in a SOIC-16 wide package and is available in a tube alternate packaging.
Features:
* Topology: Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
* Supplier-Device-Package: 16-SOIC
* Number-of-Outputs: 2 Outputs
* Voltage-Supply-Vcc-Vdd: 6.95 V ~ 40 V
* Output-Type: Transistor Driver
* Operating temperature range: 0 C
* Synchronous-Rectifier: Yes
* Switching-Frequency: 450 kHz
* Duty-Cycle: 0.5
* Output-Current: 1.5 AApplications:
The UC3846DW is suitable for a wide range of applications, including DC-DC converters, motor control, and power supplies. It is also suitable for use in automotive, industrial, and consumer applications.
Технические параметры
Параметры
Сравните сгруппированные параметры UC3851N от Texas Instruments, включая package, series, key attributes и technical values для engineering и sourcing review.
Product Parameter
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Product Parameter
Analog IC - Other Type
SWITCHING CONTROLLER
Product Parameter
Internal Switch(es)
No
Product Parameter
Rise Time
50ns
Product Parameter
Control Features
Frequency Control, Soft Start
Product Parameter
Duty Cycle
50%
| Параметр | Значение |
|---|---|
Terminal Finish Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance. | Nickel/Palladium/Gold (Ni/Pd/Au) |
Analog IC - Other Type Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements. | SWITCHING CONTROLLER |
Internal Switch(es) Indicates the number of switches integrated inside the component. This is critical for power management ICs, multiplexers, or relay drivers where the internal topology determines external wiring. Verify against the datasheet to ensure the device matches your circuit's switching requirements. | No |
Rise Time Time required for a signal to transition from a low to a high level, typically measured between 10% and 90% of the amplitude. Important for digital interfaces, switching regulators, and pulse circuits. Check the datasheet for test conditions and load capacitance. | 50ns |
Control Features Specifies additional control functions like enable, soft-start, or power-good. These features affect system design and sequencing. Verify which controls are available in the datasheet to ensure compatibility with your application requirements. | Frequency Control, Soft Start |
Duty Cycle Represents the ratio of on-time to the total switching period in a PWM signal. It determines the output voltage in switching converters. Check the maximum and minimum duty cycle limits in the datasheet to ensure proper operation across your input range. | 50% |
Start-Up Voltage Minimum input voltage required for the device to begin normal operation. Compare this value with your power supply's output to ensure reliable start-up. Verify against the datasheet's recommended operating conditions. | 8V |
RF Family/Standard Indicates the wireless communication standard or protocol family, such as Bluetooth, Wi-Fi, or Zigbee. Helps identify compatibility with target applications and system requirements. Verify against the datasheet to ensure the device supports the required RF standard. | 20V |
Total Dose Total ionizing dose tolerance for radiation-hardened components. Indicates maximum cumulative radiation exposure before performance degrades. Critical for aerospace, nuclear, and medical applications. Verify against datasheet for mission-specific radiation requirements. | 4.57mm |
Frequency - Switching Indicates the switching frequency of a power converter or regulator. Higher frequencies allow smaller magnetics but may increase losses. Compare with your design's efficiency and EMI requirements, and verify the actual range in the datasheet. | Up to 500kHz |
Nominal Input Voltage Specifies the standard input voltage level for which the component is designed to operate. Engineers compare this to the actual supply voltage to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and recommended operating conditions. | 30V |
Function Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements. | CURRENT/VOLTAGE-MODE |
Voltage - Supply (Vcc/Vdd) Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction. | 7.8V~32V |
Active Read Current (Max) Specifies the highest current drawn by the device during an active read operation. Compare this value across memory or logic components to estimate power consumption in normal operation. Verify against the datasheet's test conditions, as current can vary with frequency and supply voltage. | Non-Isolated |
Number of Backplanes Indicates how many backplane boards the system or chassis can accommodate. Compare this value with your enclosure's slot capacity and the backplane's form factor to ensure proper fit and signal routing. Verify against the datasheet for supported configurations. | 46 % |
| Параметр | Значение |
|---|---|
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Active |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Through Hole |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Lead Free |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Tube |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | ACTIVE (Last Updated: 2 days ago) |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
Categories Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class. | Integrated Circuits (ICs) |
Terminal Position Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line. | DUAL |
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Texas |
Max Power Dissipation Maximum power the component can safely dissipate as heat without damage. Exceeding this may cause failure. Check datasheet for thermal resistance and derating curves under your operating conditions. | 1W |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | 0°C~70°C TA |
Technology Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions. | BICMOS |
Subcategory A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications. | Switching Regulator or Controllers |
Sub-Categories Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application. | PMIC - AC DC Converters, Offline Switchers |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | 18-DIP (0.300, 7.62mm) |
Number of Functions Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements. | 1 |
Pb-Free Code Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance. | yes |
Number of Outputs Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration. | 1 |
Surface Mount Mounting type: surface mount or through-hole. Surface mount components are placed directly on the PCB, saving space and enabling automated assembly. Through-hole components offer stronger mechanical bonds. Verify the mounting style matches your PCB design and assembly process. | NO |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 5.08mm |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 6.35mm |
Terminal Pitch Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing. | 2.54mm |
Number of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 18 |
Number of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 18 |
Pin Count Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process. | 18 |
Nominal Supply Current Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions. | 15mA |
Output Current Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings. | 400mA |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 40V |
Data Rate (Max) Maximum data transfer rate supported. This is crucial for high-speed communication interfaces. Ensure the component can handle your required throughput with margin. Compare with the datasheet's specifications to avoid bottlenecks in your data path. | PULSE WIDTH MODULATION |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 22.48mm |
Frequency Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications. | 450kHz |
Package Contents Specifies the items included in the product package, such as connectors, cables, mounting hardware, or documentation. Verify this list against the datasheet or manual to ensure you have all necessary components for installation and operation. | 50 ns |
Serial Interfaces List of supported serial communication interfaces, such as SPI, I2C, UART, or CAN. This determines how the component communicates with your system. Verify that the required interfaces are available and compatible with your microcontroller or processor. | BUCK-BOOST |
ESD Protection Indicates whether the component has built-in electrostatic discharge protection. This is crucial for devices that interface with external connectors or are handled during assembly. ESD protection helps prevent damage from static electricity, improving reliability in harsh environments. Verify if your application requires this feature. | Boost, Buck, Flyback, Forward |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | UC3851 |
Harmonic Distortion Measures the amount of unwanted harmonics added to the output signal relative to the fundamental frequency, often expressed as THD. Lower values indicate cleaner signal reproduction, which is critical for audio and precision measurement applications. Verify the test frequency and conditions in the datasheet. | 1W |
Power - Output Output power rating of the component. This is critical for amplifiers, transmitters, and power supplies. Ensure the component can deliver the required power to your load without exceeding its ratings. Check the datasheet for conditions and tolerances. | Current Limiting, Over Voltage |
Additional Feature Lists any extra characteristics or capabilities beyond the standard specifications, such as built-in protection, special mounting options, or enhanced performance. Review these features to ensure they meet your application's specific needs and compare them across similar parts. | CURRENT MODE OPERATION IS ALSO POSSIBLE |
Manufacturer's Part No. The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation. | UC3851N |
Weight Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity. | 1.206102g |
| Параметр | Значение |
|---|---|
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | ROHS3 Compliant |
REACH SVHC Indicates whether the product contains substances of very high concern as per the REACH regulation. Buyers should verify this for compliance with EU environmental standards, especially when exporting to Europe. Check the manufacturer's declaration or datasheet for accurate SVHC status. | No SVHC |
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 1 (Unlimited) |
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e4 |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
Документы уведомлений
PCN / product notice documents
Публичные PCN / PDN записи сейчас не показаны
Для UC3851N сейчас не показан публичный product notice document. Подтвердите PCN, PDN, EOL, date code и lifecycle status во время RFQ до производственной закупки.
Связанные варианты закупки
Рекомендуемые товары
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Частые вопросы
FAQ по товару
Точные ответы для покупателей, которые проверяют ordering code UC3851N, упаковку, наличие, datasheet и путь замены.
Что означает UC3851N?
UC3851N — это точный ordering code для компонента категории PMIC - AC DC Converters, Offline Switchers от Texas Instruments. Текущий корпус указан как DIP, а контекст позиции включает IC OFFLINE CTRLR PWM PROG 18DIP. Используйте полный код при запросе склада, цены, datasheet или compliance-подтверждения.
Как покупателям проверить ordering code UC3851N?
Рассматривайте UC3851N как полный ordering code при RFQ и инженерной проверке. Подтвердите указанный корпус DIP, документацию производителя Texas Instruments, ordering table в datasheet, reel или packing details и требования внутреннего утверждения до замены или выпуска PO.
В каком корпусе поставляется UC3851N?
UC3851N сейчас указан с корпусом DIP от Texas Instruments. Перед утверждением закупки подтвердите manufacturer package drawing, footprint, pinout, tape-and-reel данные и требования к приемке.
UC3851N сейчас доступен для заказа?
UC3851N сейчас помечен на странице как позиция с наличием. Перед заказом подтвердите корпус (DIP), указанный склад (39208), доступное количество (88485), нужное количество, срок поставки, финальную цену, compliance-требования и совпадение точного ordering code через RFQ.
Где сравнить альтернативы для UC3851N?
Для UC3851N сейчас не опубликован список связанных альтернатив. Отправьте RFQ с количеством, ограничениями по корпусу и требованиями к утверждению, чтобы TrustCompo помогла проверить возможные replacement options.





